Access My Email

Columbia University Email

CUIT provides email services to the Columbia University community of students, faculty, and staff. The service is powered by Google Workspace and offers a reliable, cloud‑based platform for everyday academic and administrative communication

CUIMC students, faculty, and staff use the CUIMC email system. CUIMC affiliates do not use LionMail.

CUIT has two email systems:

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Read about LionMail, powered by Google

All Columbia University Morningside students, faculty and staff have LionMail

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Read about Microsoft 365 products, apps, and services

Microsoft 365 email system used mainly by Columbia's central administrative staff

LionMail Resources

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Getting Started
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Mobile/Tablet Setup
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Email Client Setup
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FAQ
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LionMail Drive
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LionMail Calendar
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LionMail Accessibility
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G Suite Learning Center
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LionMail Quota Limits
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LionMail Google Groups

Microsoft 365 Exchange Resources

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Guides
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Mobile/Tablet Setup
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Email Client Setup
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FAQ

Other Related Resources

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Email Aliases
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Email for Alumni
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Spam and Phishing Filtering
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Email Forwarding
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Mailing Lists
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Google Apps for LionMail
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G Suite Status Dashboard
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CUIT's Email and Calendaring Service
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Manage My UNI
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SMTP Servers
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Front App